Seiko Cal. 5656 - 672

The 5656-672 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-060748ca060e]

Also known as: Sea Horse, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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